Add element.totitlecase

Returns The Element In Title Case.
(Named as such to prevent conflicts with such tags as 'inventory.title')
Pretty straightforward tag
Add location.yaw.simple

Returns north/south/east/west
Again, straightforward tag.
Prevent ParticleEffect errors + clean meta

This will prevent the ParticleEffect from throwing errors when
accidentally sending Effect packets to NPCs.
Also cleaning up some meta and error messages for English readability.